binding of 404 page

apps/block_scout_web/lib/block_scout_web/controller.ex

@@ -12,8 +12,9 @@ defmodule BlockScoutWeb.Controller do
   def not_found(conn) do
     conn
     |> put_status(:not_found)
-    |> put_view(BlockScoutWeb.ErrorView)
+    |> put_view(BlockScoutWeb.PageNotFoundView)
-    |> render("404.html")
+    |> Phoenix.Controller.render(:index)
+    |> halt()
   end
 
   def unprocessable_entity(conn) do

apps/block_scout_web/lib/block_scout_web/controllers/page_not_found_controller.ex

@@ -0,0 +1,8 @@
+defmodule BlockScoutWeb.PageNotFoundController do
+  use BlockScoutWeb, :controller
+
+  def index(conn, _params) do
+    conn
+    |> render("index.html")
+  end
+end

apps/block_scout_web/lib/block_scout_web/router.ex

@@ -245,5 +245,7 @@ defmodule BlockScoutWeb.Router do
     get("/chain_blocks", ChainController, :chain_blocks, as: :chain_blocks)
 
     get("/api_docs", APIDocsController, :index)
+
+    get("/:page", PageNotFoundController, :index)
   end
 end

apps/block_scout_web/lib/block_scout_web/templates/page_not_found/index.html.eex

@@ -4,8 +4,8 @@
       <img alt="Page Not Found" src="/images/errors-img/poa-page-not-found.png" srcset="/images/errors-img/poa-page-not-found@2x.png 2x">
     </div>
     <div class="block-not-found-content">
-      <h1 class="card-title error-title">Lorem Ipsum Dolor</h1>
+      <h1 class="card-title error-title">Page not found</h1>
-      <p class="error-descr">Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua</p>
+      <p class="error-descr">The requested path was not found on BlockScout.</p>
       <a class="error-btn btn-line" href="/">Back Home</a>
     </div>
   </div>

apps/block_scout_web/lib/block_scout_web/views/page_not_found.ex

@@ -0,0 +1,5 @@
+defmodule BlockScoutWeb.PageNotFoundView do
+  use BlockScoutWeb, :view
+
+  @dialyzer :no_match
+end